---
title: "Update Firewall Advanced Settings"
method: PUT
path: "/network/firewall/advanced"
tags: ["Network"]
---

# Update Firewall Advanced Settings

`PUT /network/firewall/advanced`

Replace the locally managed advanced PF rule sections and apply the resulting configuration

## Request body

- GithubComAlchemillahqSylveInternalInterfacesServicesNetworkFirewallAdvancedRequest
  - `postNatDecl` string
  - `postRules` string
  - `postTrafficAnchor` string
  - `preNatDecl` string
  - `preRules` string
  - `preTrafficAnchor` string

## Response `200`

Success

- GithubComAlchemillahqSylveInternalAPIResponseAny
  - `data` unknown
  - `error` string
  - `message` string
  - `status` string

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `413` — Payload Too Large
- `500` — Internal Server Error

## Changes

- **2026-08-12** `9a5026bf9057` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/alchemillahq/apis/sylve-api/changes/network/firewall/advanced/put.md)

---

[API](https://skmtc.dev/alchemillahq/apis/sylve-api.md) · [All operations](https://skmtc.dev/alchemillahq/apis/sylve-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/alchemillahq/sylve-api/revisions/438105f28a33/schema)